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📣 EOFY Sale now on, up to 55% off! While stocks last ⏰
📣 EOFY Sale now on, up to 55% off! While stocks last ⏰

Flatteners & Reducers

Universal Flatteners and Reducers for your refractor telescopes. 
These can be used on a wide range of refracting telescopes.

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  • William Optics FLAT6AIII Flattener/Reducer 0.8X - ProAstroz
    William Optics FLAT6AIII Flattener/Reducer 0.8X - ProAstroz
    Save $36.00 Save $0.00
    Original price $355.00
    Original price $355.00 - Original price $355.00
    Original price $355.00
    Current price $319.00
    $319.00 - $319.00
    Current price $319.00

    William Optics FLAT6AIII Flattener/Reducer 0.8X

    ProAstroz

    Adjustable Reducer / Flattener for William Optics GT71, GT81, Z81, Z103 TelescopesThis elegantly designed 2" reducer / flattener has been designed ...

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    Original price $355.00
    Original price $355.00 - Original price $355.00
    Original price $355.00
    Current price $319.00
    $319.00 - $319.00
    Current price $319.00
    Save $36.00 Save $0.00
  • Save $20.00 Save $0.00
    Original price $229.00
    Original price $229.00 - Original price $229.00
    Original price $229.00
    Current price $209.00
    $209.00 - $209.00
    Current price $209.00

    Founder Optics 0.8x Flattener/Reducer for Refractors

    ProAstroz

    Add versatility to your Founder Optics telescope with the 0.8x Flattener/Reducer, giving you a faster scope for wider field imaging. The flattener ...

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    Original price $229.00
    Original price $229.00 - Original price $229.00
    Original price $229.00
    Current price $209.00
    $209.00 - $209.00
    Current price $209.00
    Save $20.00 Save $0.00
  • William Optics FLAT61A Flattener - ProAstroz
    William Optics FLAT61A Flattener - ProAstroz
    Sold out - more on the way!
    Original price $369.00
    Original price $369.00 - Original price $369.00
    Original price $369.00
    Current price $319.00
    $319.00 - $319.00
    Current price $319.00

    William Optics FLAT61A Flattener

    ProAstroz

    New Adjustable Dedicated Flattener for William Optics ZS61Optically-matched 1:1 Flattener for ZS61 APOIntegrated camera rotator.Internal thread acc...

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    Original price $369.00
    Original price $369.00 - Original price $369.00
    Original price $369.00
    Current price $319.00
    $319.00 - $319.00
    Current price $319.00
    Sold out - more on the way!
  • William Optics FLAT68III Flattener - ProAstroz
    William Optics FLAT68III Flattener - ProAstroz
    Save $100.00 Save $0.00
    Original price $1,049.00
    Original price $1,049.00 - Original price $1,049.00
    Original price $1,049.00
    Current price $949.00
    $949.00 - $949.00
    Current price $949.00

    William Optics FLAT68III Flattener

    ProAstroz

    New William Optics Adjustable Flattener 68IIIOptimised for William Optics refractors and designed to cover full frame sensors with a 44.4mm fully i...

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    Original price $1,049.00
    Original price $1,049.00 - Original price $1,049.00
    Original price $1,049.00
    Current price $949.00
    $949.00 - $949.00
    Current price $949.00
    Save $100.00 Save $0.00
  • William Optics FLAT6AIII for FLT91 - Flattener/Reducer 0.8X - ProAstroz
    Save $130.00 Save $0.00
    Original price $459.00
    Original price $459.00 - Original price $459.00
    Original price $459.00
    Current price $329.00
    $329.00 - $329.00
    Current price $329.00

    William Optics FLAT6AIII for FLT91 & FLT120 - Flattener/Reducer 0.8X

    ProAstroz

    Adjustable Reducer / Flattener for William Optics FLT91 & FLT120 TelescopesThis elegantly designed 2" reducer / flattener has been designed to ...

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    Original price $459.00
    Original price $459.00 - Original price $459.00
    Original price $459.00
    Current price $329.00
    $329.00 - $329.00
    Current price $329.00
    Save $130.00 Save $0.00
  • William Optics FLAT73A Flattener - ProAstroz
    William Optics FLAT73A Flattener - ProAstroz
    Sold out - more on the way!
    Original price $369.00 - Original price $369.00
    Original price $369.00
    $369.00
    $369.00 - $369.00
    Current price $369.00

    William Optics FLAT73A Flattener

    ProAstroz

    New Adjustable Dedicated Flattener 73A for William Optics ZS73Optically-matched 1:1 Flattener for ZS73 APOSuitable for use with full frame sensors....

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    Original price $369.00 - Original price $369.00
    Original price $369.00
    $369.00
    $369.00 - $369.00
    Current price $369.00
    Sold out - more on the way!
  • Sold out - more on the way!
    Original price $229.00 - Original price $229.00
    Original price $229.00
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Explore Scientific Field Flattener f/5 to f/7

    ProAstroz

    The explore scientific field flattener provides correction to Explore Scientific refractors F/5 to F/7 for a flat field and sharp, pinpoint stars i...

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    Original price $229.00 - Original price $229.00
    Original price $229.00
    $229.00
    $229.00 - $229.00
    Current price $229.00
    Sold out - more on the way!
  • William Optics FLAT61R Flattener/Reducer 0.8X - ProAstroz
    William Optics FLAT61R Flattener/Reducer 0.8X - ProAstroz
    Sold out - more on the way!
    Original price $479.00 - Original price $479.00
    Original price $479.00
    $479.00
    $479.00 - $479.00
    Current price $479.00

    William Optics FLAT61R Flattener/Reducer 0.8X

    ProAstroz

    New 0.8x Adjustable Dedicated Reducer Flattener for William Optics ZS61Integrated camera rotator.Internal thread accepts 2" astronomy filters.Requi...

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    Original price $479.00 - Original price $479.00
    Original price $479.00
    $479.00
    $479.00 - $479.00
    Current price $479.00
    Sold out - more on the way!
  • Save $30.00 Save $0.00
    Original price $119.00
    Original price $119.00 - Original price $119.00
    Original price $119.00
    Current price $89.00
    $89.00 - $89.00
    Current price $89.00

    FLAT68III longer adjusting adapter for WIFD GT81-M48

    ProAstroz

    To use this adapter, simply unscrew the original end adapter that terminates in the M48 male thread on the flattener and replace it with this longe...

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    Original price $119.00
    Original price $119.00 - Original price $119.00
    Original price $119.00
    Current price $89.00
    $89.00 - $89.00
    Current price $89.00
    Save $30.00 Save $0.00
  • Save $44.00 Save $0.00
    Original price $229.00
    Original price $229.00 - Original price $229.00
    Original price $229.00
    Current price $185.00
    $185.00 - $185.00
    Current price $185.00

    Founder Optics 1x Universal Flattener for Refractors

    ProAstroz

    The Founder optics Universal 1x flattener provides correction to all refractors F/5 to F/7 for a flat field and sharp, pinpoint stars in your image...

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    Original price $229.00
    Original price $229.00 - Original price $229.00
    Original price $229.00
    Current price $185.00
    $185.00 - $185.00
    Current price $185.00
    Save $44.00 Save $0.00
  • William Optics FLAT7A 0.8x Flattener - ProAstroz
    William Optics FLAT7A 0.8x Flattener - ProAstroz
    Save $120.00 Save $0.00
    Original price $1,049.00
    Original price $1,049.00 - Original price $1,049.00
    Original price $1,049.00
    Current price $929.00
    $929.00 - $929.00
    Current price $929.00

    William Optics FLAT7A 0.8x Flattener

    ProAstroz

    New William Optics Adjustable Flattener Reducer 0.8x FLAT7AOptimised for William Optics refractors and designed to cover full frame sensors with a ...

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    Original price $1,049.00
    Original price $1,049.00 - Original price $1,049.00
    Original price $1,049.00
    Current price $929.00
    $929.00 - $929.00
    Current price $929.00
    Save $120.00 Save $0.00